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CD wrote:An IVUS ([3-D color] Interventional Radiology Ultra-Sound) like the first one you had, if you did have one, will show if you have clots.

Some confusion: an IVUS is an intravascular ultrasound, it goes on the catheter into the veins to take images from the inside of the vein. The external ultrasound against the neck is simply a doppler ultrasound.

See, Dr. Harris said that a US would be useless to detect clots

The ultrasound shows the flow; if a clot in the jugular is blocking the flow, it will show.

However you had a stent in the azygous; I don't think you can tell easily if the azygous clots without going in again, but a Haacke protocol MRV will give you flow data on the azygous or a full five criteria Zamboni doppler might indicate flow abnormalities traceable to the azygous.

CD wrote:Did you have any improvements that disappeared? That is a sign of restenosis, not always a clot. JMO

No, no improvements to speak of.

Everyone's case is different, but I remember pklittle being told for a long time that she didn't need to be seen because she didn't have any improvements and therefore didn't lose any improvements, but in her case it turned out to be a clot, which was lousy bad luck.

I agree with CD, if you are worried, an US is cheap and easy and gives some info to go on.

FYI: In the UK:
"They have been trialing the use of intravenous ultrasound (IVUS) in CCSVI treatment to see the lesions better and assess the completeness of the treatment.

IVUS is a state of the art imaging technology which uses a miniature ultrasound probe and gives a 3D image from within the vein. This not only magnifies the imaging of the CCSVI lesions but also allows direct examination of the internal jugular valves."

The IVUS probes are expensive and unfortunately are for single use only. This is from the Edinburgh Clinic. Costs will be rising there since they use them routinely.

FYI: In the UK:"They have been trialing the use of intravenous ultrasound (IVUS) in CCSVI treatment to see the lesions better and assess the completeness of the treatment.

IVUS is a state of the art imaging technology which uses a miniature ultrasound probe and gives a 3D image from within the vein. This not only magnifies the imaging of the CCSVI lesions but also allows direct examination of the internal jugular valves."

The IVUS probes are expensive and unfortunately are for single use only. This is from the Edinburgh Clinic. Costs will be rising there since they use them routinely.

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